Olekminskite
Olekminskite is an IMA-recognized mineral species in the carbonate class, with the chemical formula Sr₂(CO₃)₂.
It crystallizes in the hexagonal crystal system (space group P321). It is a member of the Paralstonite structural group.
Key properties: Mohs hardness 3; specific gravity 3.7; Vitreous luster; optically uniaxial.
IMA symbol Okm, IMA status: approved, named in 1989.
Found in barytocalcite–quartz veins in intrusive breccia in an alkaline massif.
It is found associated with Paralstonite, calcite, barite, ankerite, ancylite-(Ce), narsarsukite, sphalerite, galena.
The name refers to Olekminsk, Russia, administrative center for the district in which the Kedrovyi massif is located.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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